1
I. EXPLANATION OF THE LK-1900S, COMPUTER-
CONTROLLED HIGH-SPEED BARTACKING MACHINE
1. SPECIFICATIONS
1 Sewing area X (lateral) direction 40 mm Y (longitudinal) direction 30 mm
2 Sewing speed
Regular sewing speed
:
2,700 sti/min* (When sewing pitches are less than 5.5
mm in X-direction and 4.0 mm in Y -direction.)
Max. sewing speed
:
3,200 sti/min* (When sewing pitches are less than 5.0
mm in X-direction and 3.5 mm in Y -direction.)
3 Stitch length 0.1 to 10.0 mm (adjustable in 0.1 mm step)
4
Feed motion of work
clamp foot
Intermittent feed (2-shaft drive by stepping motor)
5 Needle bar stroke 41.2 mm
6 Needle DP
×
5, DP
×
17
7 Lift of work clamp foot 13 mm (standard) Max. 17 mm
8 Shuttle Standard semi-rotary hook (oil wick lubrication)
9 Lubricating oil New Defrix Oil No. 2 (supplied by oiler)
10 Data recording Memory in MAIN PCB (80 Kbite)
11
Enlarging / Reducing
facility
20% to 200% (1% step) in X direction and Y direction respectively
12
Enlarging / Reducing
method
Pattern enlargement / reduction can be done by increasing/decreasing the
stitch length
13
Max. sewing speed
limitation
400 to 2,700 sti/min
*
(100 sti/min steps)
14 Pattern selection
Standard patterns: 51
User patterns: 1 to 200
Media patterns: 1 to 999
15 Bobbin thread counter UP/DOWN type (0 to 9999)
16 Sewing machine motor Servo motor
17 Dimensions
W : 1,200 mm L : 660 mm H : 1,100 mm
(Use the standard table and stand.)
18
Mass
Machine head 42 kg, Control box 5.1 kg
19 Power consumption 250 VA (Pattern No. 1, 2,700 sti/min, 2-sec pause time)
20
Operating temperature
range
5 ˚C to 35 ˚C
21
Operating humidity
range
35% to 85% (No dew condensation)
22 Line voltage AC220 to 240V ± 10% 50/60 HZ
23 Noise -
Equivalent continuous emission sound pressure level (L
pA
) at the workstation :
A-weighted value of 82 dB; (Includes K
pA
= 2.5 dB); according to ISO 10821-
C.6.3 -ISO 11204 GR2 at 2,700 sti/min
for the sewing cycle, 1.0s ON (Pattern
: No.1).
- Sound power level (L
WA
) ;
A-weighted value of 89 dB; (Includes K
WA
= 2.5 dB); according to ISO 10821-
C.6.3 -ISO 3744 GR2 at 2,700 sti/min
for the sewing cycle, 1.0s ON (Pattern :
No.1).
* Reduce the max. sewing speed in accordance with the sewing conditions.
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